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cap int * str in safe_mult to match str * int #2

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2 changes: 2 additions & 0 deletions asteval/astutils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,8 @@ def safe_pow(base, exp):

def safe_mult(arg1, arg2):
"""safe version of multiply"""
if isinstance(arg1, int) and isinstance(arg2, str):
arg1, arg2 = arg2, arg1
if isinstance(arg1, str) and isinstance(arg2, int) and len(arg1) * arg2 > MAX_STR_LEN:
raise RuntimeError(f"String length exceeded, max string length is {MAX_STR_LEN}")
return arg1 * arg2
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2 changes: 2 additions & 0 deletions tests/test_asteval.py
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Expand Up @@ -1224,6 +1224,8 @@ def test_safe_funcs(nested):
check_error(interp, 'RuntimeError')
interp("'*'*(2<<17) + '*'")
check_error(interp, 'RuntimeError')
interp("(1+2<<17)*'*'")
check_error(interp, 'RuntimeError')
interp("1.01**10000")
check_error(interp, None)
interp("1.01**10001")
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